Hill's Science Diet Adult Urinary Hairball Control Dry Cat FoodHill's Science Diet Urinary Hairball Control Adult dry cat food supports the health of the whole urinary system and helps avoid hairball formation. Not artificially preserved, no synthetic colours, no artificial flavours. Hill's Science Diet Urinary Hairball Control Adult dry cat food supports the health of the whole urinary system and helps avoid hairball formation. Not artificially preserved, no synthetic colours, no artificial flavours. No one